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Finding the Fourth Proportional to 60,295.74, 90,412.02 and 20,843.48

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Solution

The fourth proportional to 60,295.74, 90,412.02 and 20,843.48 is: 31,254.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,295.74 : 90,412.02 = 20,843.48 : x
  2. Step 2: Convert to fraction form
    60,295.74/90,412.02 = 20,843.48/x
  3. Step 3: Cross multiply
    60,295.74x = 90,412.02 × 20,843.48
  4. Step 4: Simplify right side
    60,295.74x = 1,884,500,678.57
  5. Step 5: Solve for x
    x = 1,884,500,678.57/60,295.74
  6. Step 6: Final answer
    x = 31,254.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.